4 <style type=
"text/css">
5 optgroup:disabled
{ color: pink
; }
6 optgroup:enabled
{ color: green
; }
7 option:disabled
{ color: red
; }
8 option:enabled
{ color: blue
; }
14 <optgroup label=
"Enabled">
15 <option value=
"listbox_e11">One
</option>
16 <option value=
"listbox_e12">Two
</option>
17 <option value=
"listbox_e13">Three
</option>
18 <option value=
"listbox_e14">Four
</option>
20 <optgroup label=
"Disabled" disabled
>
21 <option value=
"listbox_d1">One
</option>
22 <option value=
"listbox_d2">Two
</option>
23 <option value=
"listbox_d3">Three
</option>
24 <option value=
"listbox_d4">Four
</option>
26 <optgroup label=
"Enabled2">
27 <option value=
"listbox_e21">One
</option>
28 <option value=
"listbox_e22" disabled
>Two
</option>
29 <option value=
"listbox_e23" selected
>Three
</option>
30 <option value=
"listbox_e24">Four
</option>
35 <optgroup label=
"Enabled">
36 <option value=
"listbox_e1">One
</option>
37 <option value=
"listbox_e2">Two
</option>
38 <option value=
"listbox_e3">Three
</option>
39 <option value=
"listbox_e4">Four
</option>
41 <optgroup label=
"Disabled" disabled
>
42 <option value=
"menulist_d1">One
</option>
43 <option value=
"menulist_d2">Two
</option>
44 <option value=
"menulist_d3">Three
</option>
45 <option value=
"menulist_d4">Four
</option>
47 <optgroup label=
"Enabled2">
48 <option value=
"listbox_e21">One
</option>
49 <option value=
"listbox_e22" disabled
>Two
</option>
50 <option value=
"listbox_e23" selected
>Three
</option>
51 <option value=
"listbox_e24">Four
</option>